
Description: Notesnook is a free online note taking application that allows users to easily create, organize, and share notes. Key features include rich text editing, tagging, search, and the ability to embed images, links, code snippets, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Butterfly is an open-source, cross-platform SQL client that allows users to manage databases and data tables. It provides an intuitive GUI and supports connections to MySQL, PostgreSQL, SQLite and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API